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Observation Summary for Variable Star MARKARIAN 421

Total observations:6,999Minimum magnitude: 14.900Maximum magnitude: 8.400
First observation:JD 2443172.740000\29 Jan 1977 05:45:36.000000 UTLatest observation:JD 2461155.429200\24 Apr 2026 22:18:02.880000 UT
Observation MethodNumber of Observations
Visual6,845
CCD142
Photographic1
DSLR11

Summary by Year and Month

Summary by Observer